CN211123223U - Vehicle-end multi-core connector wire calibration device - Google Patents
Vehicle-end multi-core connector wire calibration device Download PDFInfo
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- CN211123223U CN211123223U CN201921586359.6U CN201921586359U CN211123223U CN 211123223 U CN211123223 U CN 211123223U CN 201921586359 U CN201921586359 U CN 201921586359U CN 211123223 U CN211123223 U CN 211123223U
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Abstract
The utility model relates to a car end multicore connector school line device for the first car end multicore connector and the second car end multicore connector of butt joint, car end multicore connector school line device include the power and many school line return circuits that parallel, and school line return circuit includes: the first interface is correspondingly connected with the outgoing line of one core of the first vehicle-end multi-core connector; the second interface is correspondingly connected with the outgoing line of the core corresponding to one of the cores of the second vehicle-end multi-core connector; the digital display ohmmeter is powered by a power supply, a positive signal line of the digital display ohmmeter is connected with the first interface through a resistor, a negative signal line of the digital display ohmmeter is connected with the second interface, and the resistance values of the resistors in each line calibration loop are different. The utility model is used for realize the quick school line detection of car end multicore connector, school line is convenient and efficient.
Description
Technical Field
The utility model relates to a school line device especially relates to a car end multicore connector school line device.
Background
To meet the communication requirements of railway carriages such as closed circuit televisions, attendant telephones, fire alarms and security alarm lamps, multi-core (e.g., 15-core, 39-core, 43-core, etc.) connectors at the carriage end of railway carriages have been produced to meet the above-mentioned communication requirements. In order to ensure the connection state between corresponding cables of each vehicle-side connector, the multi-core connector needs to be calibrated, the existing cable calibration mode is to calibrate the ground by using a buzzer and then calibrate the cables, whether the ground is connected with the cables or not is tested by using a point-contact connector contact pair mode, and the cables are calibrated repeatedly until all contact pairs are tested, so that the cable calibration time is long, the efficiency is low, and the labor intensity is high.
Disclosure of Invention
An object of the utility model is to provide a car end multicore connector school line device realizes the quick school line detection of car end multicore connector, and school line is convenient and efficient.
In order to solve the technical problem, the utility model provides a following technical scheme solves:
the utility model provides a car end multicore connector school line device for first car end multicore connector and the second car end multicore connector of butt joint, its characterized in that, car end multicore connector school line device includes power and many school line return circuits that parallel, school line return circuit includes: the first interface is correspondingly connected with a leading-out wire of one core of the first vehicle-end multi-core connector; a second interface correspondingly connected with a leading-out wire of one core corresponding to one of the cores of the second vehicle-end multi-core connector; the digital display ohmmeter is powered by the power supply, a positive signal line of the digital display ohmmeter is connected with the first interface through a resistor, and a negative signal line of the digital display ohmmeter is connected with the second interface; the resistance values of the resistors in each line calibration loop are different.
The vehicle-end multi-core connector cable calibration device further comprises a shell, and the shell is provided with openings, the number of the openings is the same as that of the digital display ohmmeters; the display surface of each digital display ohmmeter extends out of each opening; each resistor is arranged in the shell; each first port and each second port extend out of the housing.
The vehicle-end multi-core connector cable calibration device further comprises a first female socket and a second female socket which are arranged in the shell, the first female socket is connected with each first interface and exposed through a first through hole formed in the shell, and the second female socket is connected with each second interface and exposed through a second through hole formed in the shell.
According to the vehicle-end multi-core connector cable calibration device, the outgoing line of the first vehicle-end multi-core connector is connected to the first male socket row, and the outgoing line of the second vehicle-end multi-core connector is connected to the second male socket row; the first male socket is correspondingly and electrically connected with the first female socket, and the second male socket is correspondingly and electrically connected with the second female socket.
According to the vehicle-end multi-core connector cable calibration device, the power supply is a battery arranged in the shell and provides electric energy for the digital display ohmmeter.
According to the vehicle-end multi-core connector cable calibration device, the shell is further provided with the switch key, and the switch key is connected between the battery and the power supply end of the digital display ohmmeter.
According to the vehicle-end multi-core connector cable calibration device, the resistance values of the resistors are arranged from small to large or from large to small.
Compared with the prior art, the utility model discloses an advantage and the beneficial effect that car end multicore connector school line device had are: the multi-core outgoing line of the butted connector is directly calibrated at one time by using the line calibration device, so that the speed is high and the efficiency is high; and the cooperation of multiple persons is not needed, so that the labor intensity of work is reduced; the line calibration result is visually displayed through the digital display ohmmeter, so that an operator can conveniently observe the line calibration result, and the problem of poor crimping of the connector can be timely found.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of a vehicle end multicore connector cable calibration device according to an embodiment of the present invention, connected to a butted vehicle end connector.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to detect the crimping quality between the butted vehicle-end multi-core connectors and whether the wires are normally connected, the wire calibration is performed on the connectors, as shown in fig. 1, this embodiment relates to a vehicle-end multi-core connector wire calibration device 100, which is used for a first vehicle-end multi-core connector a and a second vehicle-end multi-core connector B that are butted, the vehicle-end multi-core connector wire calibration device 100 includes a power supply and a plurality of wire calibration loops that are parallel, and the wire calibration loops include: the first interface is correspondingly connected with the outgoing line of one core of the first vehicle-end multi-core connector A; the second interface is correspondingly connected with the outgoing line of one core corresponding to one of the cores of the second vehicle-end multi-core connector B; and the digital display ohmmeters a to o are powered by a power supply, a positive signal line of each digital display ohmmeter is connected with the first interface through a resistor, a negative signal line of each digital display ohmmeter is connected with the second interface, and the resistance values of the resistors in each line calibration loop are different. In the present embodiment, the vehicle end 15-core connector is taken as an example for explanation, but the present invention is not limited to the vehicle end connector of 15 cores. The resistance value on the line calibration loop is directly and visually displayed by adopting a digital display ohmmeter, the digital display ohmmeter is visual and convenient, the digital display ohmmeter is a totally-enclosed three-position and half-digital display ohmmeter and is powered by a power supply for generating direct-current voltage, in the embodiment, the positive power supply end of the digital display ohmmeter is connected with +5V voltage, and the negative power supply end of the digital display ohmmeter is connected with-5V voltage.
As shown in fig. 1, in the present embodiment, the resistors on the calibration loops are respectively shown as R1, R2, …, and R15, the resistances of which are different and may be arranged in the order from small to large or in the order from large to small, and in the present embodiment, the resistances are arranged in the order from small to small, that is, R1=100 Ω, R2=200 Ω, …, and R15=1500 Ω. The digital display ohmmeter on each line calibration loop correspondingly detects the resistance value of the resistor on the line calibration loop, if the error between the resistance value displayed on the digital display ohmmeter and the actual resistance value of the serially connected resistor is within a preset value (for example, 3 omega), the normal crimping of the line of the butting connector on the line calibration loop is indicated, and the rest 14 lines are detected in the same way, if the digital display ohmmeter displays the same resistance value, the potential wire binding hazard exists on the corresponding two lines, the key check is needed, and if the order of the resistance values displayed by the digital display ohmmeter is not correct, the crimping among the lines is reversed.
In order to conveniently carry the cable calibration device 100, the cable calibration device 100 is designed into a product and comprises a shell (not shown), the digital display ohmmeters a to o and the resistors R1 to R15 which are correspondingly connected are arranged in the shell, multiple rows and multiple columns of holes which are the same as the digital display ohmmeters a to o in number can be formed in the shell, the display surface of the digital display ohmmeters extends out of the shell through the holes, the cable calibration device is convenient for an operator to observe, the first interfaces and the second interfaces of all cable calibration loops also extend out of the shell, the operator is convenient to correspondingly connect all the first interfaces 1 to 15 with outgoing lines of 15 cores 1 to 15 of a vehicle end connector A and correspondingly connect all the second interfaces 1 to 15 with outgoing lines of 15 cores 1 to 15 of a vehicle end connector B respectively.
In addition, in order to facilitate the electrical connection between the line calibration device 100 and the vehicle-side connectors a and B, and improve the connection efficiency between the vehicle-side connectors a/B and the line calibration device 100 during line calibration, in this embodiment, the line calibration device 100 includes a first female socket for connecting the first interfaces 1 to 15 and a second female socket for connecting the second interfaces 1 to 15, the first female socket includes 15 connection terminals, one end of each first female socket corresponds to and is connected to the first interface, the other end of each first female socket corresponds to and is connected to the outgoing line of the 15 cores 1 to 15 of the vehicle-side connector a, the second female socket also includes 15 connection terminals, one end of each second female socket corresponds to and is connected to the second interface, and the other end of each second female socket corresponds to and is connected to the 15 cores 1 to 15 of the vehicle-side connector B. This first female row of inserting and second female row of inserting set up in the casing, and expose respectively through the through-hole on the casing and be used for the terminal of being connected with vehicle end connector A and vehicle end connector B. Preferably, a first male socket electrically connected with the first female socket and a second male socket electrically connected with the second female socket are further provided, the first male socket comprises 15 wiring terminals, one end of each wiring terminal is electrically connected with a corresponding terminal of the first female socket, the other end of each wiring terminal is correspondingly connected with 1-15 outgoing lines of 15 cores of the vehicle-side connector A, the second male socket also comprises 15 wiring terminals, one end of each wiring terminal is electrically connected with a corresponding terminal of the second female socket, and the other end of each wiring terminal is correspondingly connected with 1-15 outgoing lines of 15 cores of the vehicle-side connector B. The first male socket and the multi-core outgoing line of the vehicle-end connector A can be electrically connected in advance, the second male socket and the multi-core outgoing line of the vehicle-end connector B are electrically connected, when the vehicle-end multi-core connector cable calibration device 100 is used, only the first male socket and the first female socket on the cable calibration device 100 need to be connected, and the second male socket and the second female socket on the cable calibration device 100 are connected, so that plug-in connection is realized, and the line connection is convenient for an operator.
In the embodiment, the power supply for supplying the digital ohmmeters a to o with electric energy is a direct current power supply, the direct current voltage is supplied by a battery, and switch buttons SA1 are arranged at the power supply ends of the battery and the digital ohmmeters a to o. The switch keys SA1 can extend out of the shell through holes formed in the shell, and 15 display ohmmeters a-o and switch keys SA1 can be arranged into a four-row and four-column mode aiming at the 15-core wire calibration device 100 of the vehicle end connector.
When the line calibration device 100 is used, a first male strip and a first female strip are connected in an inserted mode, a second male strip and a second female strip are connected in an inserted mode, the switch SA1 is turned on, after a certain time (for example, about 3 seconds to 5 seconds) is waited, after screen display data on the digital display ohmmeters a to o are stable, whether the reading on each digital display ohmmeter a to o is consistent with the resistance values of the resistors R1 to R15 or the error difference is not large, for example, 3 omega is checked.
The vehicle-end multi-core connector cable calibration device 100 can directly calibrate cables of multi-core outgoing lines of butted connectors at one time, and is high in speed and efficiency; the cooperation of multiple persons is not needed, and the working labor intensity is reduced; the line calibration result is visually displayed through screen display values on the digital display ohmmeters a-o, so that an operator can conveniently observe the line calibration result and find the problem of poor crimping of the connector in time; after the line calibration is finished, the result is taken as a line calibration basis, so that later inquiry can be facilitated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a car end multicore connector school line device for first car end multicore connector and the second car end multicore connector of butt joint, its characterized in that, car end multicore connector school line device includes power and many school line return circuits that parallel, school line return circuit includes:
the first interface is correspondingly connected with a leading-out wire of one core of the first vehicle-end multi-core connector;
a second interface correspondingly connected with a leading-out wire of one core corresponding to one of the cores of the second vehicle-end multi-core connector;
the digital display ohmmeter is powered by the power supply, a positive signal line of the digital display ohmmeter is connected with the first interface through a resistor, and a negative signal line of the digital display ohmmeter is connected with the second interface;
the resistance values of the resistors in each line calibration loop are different.
2. The vehicle-end multi-core connector wire calibration device according to claim 1, characterized in that the vehicle-end multi-core connector wire calibration device further comprises a shell, wherein the shell is provided with openings with the same number as the digital display ohmmeters; the display surface of each digital display ohmmeter extends out of each opening; each resistor is arranged in the shell; each first port and each second port extend out of the housing.
3. The vehicle-end multi-core connector cable calibration device according to claim 2, further comprising a first female socket and a second female socket which are arranged in the housing, wherein the first female socket is connected with each first interface and exposed through a first through hole formed in the housing, and the second female socket is connected with each second interface and exposed through a second through hole formed in the housing.
4. The vehicle-end multi-core connector cable calibration device according to claim 3, wherein the outgoing line of the first vehicle-end multi-core connector is connected to a first male socket row, and the outgoing line of the second vehicle-end multi-core connector is connected to a second male socket row; the first male socket is correspondingly and electrically connected with the first female socket, and the second male socket is correspondingly and electrically connected with the second female socket.
5. The vehicle-end multi-core connector cable calibration device as claimed in claim 4, wherein the power supply is a battery disposed in the housing and supplies electric energy to the digital display ohmmeter.
6. The vehicle-end multi-core connector cable calibration device as claimed in claim 5, wherein a switch button is further arranged on the housing, and the switch button is connected between the battery and a power supply end of the digital display ohmmeter.
7. The vehicle-end multi-core connector cable calibration device according to any one of claims 1 to 6, wherein the resistances of the resistors are arranged in a descending order or a descending order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921586359.6U CN211123223U (en) | 2019-09-23 | 2019-09-23 | Vehicle-end multi-core connector wire calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921586359.6U CN211123223U (en) | 2019-09-23 | 2019-09-23 | Vehicle-end multi-core connector wire calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211123223U true CN211123223U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921586359.6U Active CN211123223U (en) | 2019-09-23 | 2019-09-23 | Vehicle-end multi-core connector wire calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211123223U (en) |
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2019
- 2019-09-23 CN CN201921586359.6U patent/CN211123223U/en active Active
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Effective date of registration: 20210929 Address after: 266111 Hongping Road, Chengyang District, Qingdao, Shandong Province, No. 9 Patentee after: Qingdao CRRC Sifang Rail Vehicle Co.,Ltd. Address before: 266111 Hongping Road, Chengyang District, Qingdao, Shandong Province, No. 9 Patentee before: CRRC SIFANG Co.,Ltd. |